Base | Representation |
---|---|
bin | 10000001110100… |
… | …101000001010001 |
3 | 200222022002112111 |
4 | 100032211001101 |
5 | 1024144211410 |
6 | 43003225321 |
7 | 6514101331 |
oct | 2016450121 |
9 | 628262474 |
10 | 272257105 |
11 | 12a75587a |
12 | 77218241 |
13 | 445362a3 |
14 | 282310c1 |
15 | 18d7db8a |
hex | 103a5051 |
272257105 has 4 divisors (see below), whose sum is σ = 326708532. Its totient is φ = 217805680.
The previous prime is 272257087. The next prime is 272257151. The reversal of 272257105 is 501752272.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 58629649 + 213627456 = 7657^2 + 14616^2 .
It is not a de Polignac number, because 272257105 - 217 = 272126033 is a prime.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27225706 + ... + 27225715.
It is an arithmetic number, because the mean of its divisors is an integer number (81677133).
Almost surely, 2272257105 is an apocalyptic number.
It is an amenable number.
272257105 is a deficient number, since it is larger than the sum of its proper divisors (54451427).
272257105 is an equidigital number, since it uses as much as digits as its factorization.
272257105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54451426.
The product of its (nonzero) digits is 9800, while the sum is 31.
The square root of 272257105 is about 16500.2153016256. The cubic root of 272257105 is about 648.1264431216.
The spelling of 272257105 in words is "two hundred seventy-two million, two hundred fifty-seven thousand, one hundred five".
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